Measuring Throughput with iperf ?

iperf utility for measuring TCP & UDP performance b/w 2 end points .
it must be installed at both ends of the connection you are measuring


zodiac@gml-admin:~$ iperf -c 192.168.0.210
------------------------------------------------------------
Client connecting to 192.168.0.210, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.0.17 port 48568 connected with 192.168.0.210 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 108 MBytes 90.5 Mbits/sec



[root@backup ~]# iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.0.210 port 5001 connected with 192.168.0.17 port 48568
[ 4] 0.0-10.1 sec 108 MBytes 90.0 Mbits/sec